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像差
xiàng​chā

aberration, astigmatism

Definitions Defs Origin Strokes Stroke Words Sentences Sents
像差 xiàng​chā
aberration, astigmatism
(physics/optics) the failure of a lens or mirror to produce an exact point image of an object, such as astigmatism or chromatic aberration

Frequency

Written text
0.237 per million

Sources

Frequency data
BCC Corpus (BLCU)